-59.52% is the change from 168 to 68
Calculation steps:
[( 68 - 168 ) ÷ 168] x 100 = -59.52%
Formula
Percentage change = [(68 - 168) / 168] x 100
Subtract the new number by the original number
68 - 168 = -100
-100 ÷ 168 = -0.5952380952380952
-0.5952380952380952 x 100 = -59.52%